Question

1. what are proteins made of?

fatty acids
sugars
amino acids
glycerol

1. what are essential amino acids?

amino acids that must be obtained from food.
amino acids that are found only in plants.
amino acids that prevent diseases.
amino acids that can be produced by the body.

Explanation:

Proteins are macromolecules composed of amino acids linked by peptide bonds. Essential amino acids are those that the human body cannot synthesize on its own and must be obtained from the diet.

Answer:

1. Amino acids
2. Amino acids that must be obtained from food.